题目内容
选择合适的方法计算。
|
| (1)原式=28.5÷15 =1.9 |
(2)原式=(4+8.5)×0.8 =3.2+6.8 =10 |
| (3)原式=7.3×(7.6+7.6) =7.3×15.2 =110.96 |
(4)原式=5.23×9+5.23 =5.23×(9+1) =52.3 |
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题目内容
选择合适的方法计算。
|
| (1)原式=28.5÷15 =1.9 |
(2)原式=(4+8.5)×0.8 =3.2+6.8 =10 |
| (3)原式=7.3×(7.6+7.6) =7.3×15.2 =110.96 |
(4)原式=5.23×9+5.23 =5.23×(9+1) =52.3 |